Resubmissions

23/03/2024, 11:09

240323-m856tsab8s10

23/03/2024, 11:07

240323-m74avaab713

23/03/2024, 11:05

240323-m7bwlaab7x4

General

  • Target
    ver2_0_file.rar
  • Size 10.5MB
  • Sample240323-m856tsab8s
  • SHA256 3b584d1857aa692940626f45876717884474786b582092b1165a6d69058a91fe
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • gcleaner

C2
  • 185.172.128.90

  • 5.42.65.115

Extracted

Family
  • smokeloader

Botnet
  • pub3

Extracted

Family
  • vidar

Version
  • 8.4

Botnet
  • 473851422af56ec6b6c329e5cb4d622d

C2
  • https://steamcommunity.com/profiles/76561199654112719

  • https://t.me/r2d0s

Attributes
  • profile_id_v2

    473851422af56ec6b6c329e5cb4d622d

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:123.0) Gecko/20100101 Firefox/123.0

Extracted

Family
  • smokeloader

Version
  • 2022

C2
  • http://nidoe.org/tmp/index.php

  • http://sodez.ru/tmp/index.php

  • http://uama.com.ua/tmp/index.php

  • http://talesofpirates.net/tmp/index.php

rc4.i32
rc4.i32

Extracted

Family
  • stealc

C2
  • http://185.172.128.210

Attributes
  • url_path

    /f993692117a3fda2.php

Targets

    • Target
      ver2_0_file.rar
    • Size 10.5MB
    • SHA256 3b584d1857aa692940626f45876717884474786b582092b1165a6d69058a91fe
    • MD5 SHA1 SHA512 SSDEEP
    • Detect Vidar Stealer

    • GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks